NOJA475M006RWJ

Overview

The NOJA475M006RWJ is a low-profile niobium oxide capacitor from the KYOCERA AVX NOJ series, designed for surface mount applications. It features a capacitance of 4.7 µF with a ±20% tolerance and a DC voltage rating of 6.3 VDC. The component utilizes a 1206 (3216 metric) package with dimensions of 3.2 mm length, 1.6 mm width, and 1.8 mm height. Key electrical specifications include an equivalent series resistance (ESR) of 3.2 Ohms, a leakage current of 1.1 µA, and a ripple current rating of 168 mA. It operates within a temperature range of -55°C to +105°C.

Feature Summary

• Utilizes niobium oxide technology to provide high volumetric efficiency in a low-profile form factor.
• Offers stable performance across a wide operating temperature range suitable for demanding environments.
• Features low equivalent series resistance to support efficient power delivery in compact circuits.

Applications

• Portable consumer electronics requiring space-constrained power filtering
• Automotive electronic systems needing reliable surface mount decoupling
• Industrial control equipment utilizing standard voltage rails

Procurement Notes

Verify the specific suffix RWJ against official datasheets to confirm packaging type and compliance status. Ensure that the selected variant matches the required ESR and ripple current ratings for the target application circuit. Cross-reference manufacturer part numbers to avoid confusion with similar series components.

Selection Notes

Select this component when a low-profile SMD capacitor is required for 6.3V circuits. Compare ESR and ripple current capabilities against design requirements. Consider the 1206 footprint compatibility with existing PCB layouts. Evaluate thermal performance limits relative to the expected operating environment.

Part Context

This part belongs to the NOJ series of niobium oxide capacitors, which are positioned as alternatives to tantalum capacitors. The series emphasizes safety and reliability while maintaining a small physical profile. It serves as a solid-state solution for bypassing and filtering in modern electronic assemblies.

Replacement Considerations

Direct substitutes may include other niobium oxide capacitors from the same manufacturer with identical voltage and capacitance ratings. Verify package dimensions and pin configuration before substitution to ensure mechanical fit.